Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Main {

    public static void main(String[] args) throws Exception {
        try {
            String url = "jdbc:odbc:databaseName";
            String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
            String user = "guest";
            String password = "guest";
            Class.forName(driver);
            Connection connection = DriverManager.getConnection(url, user, password);
            String changeLastName = "UPDATE authors SET lastname = ? WHERE authid = ?";
            PreparedStatement updateLastName = connection.prepareStatement(changeLastName);

            updateLastName.setString(1, "Martin"); // Set lastname placeholder value
            updateLastName.setInt(2, 4); // Set author ID placeholder value

            int rowsUpdated = updateLastName.executeUpdate(); // execute the update
            System.out.println("Rows affected: " + rowsUpdated);
            connection.close();
        } catch (ClassNotFoundException cnfe) {
            System.err.println(cnfe);
        } catch (SQLException sqle) {
            System.err.println(sqle);
        }
    }
}